Home / 1,959.67-2,937.52-1,229.75

Finding the Fourth Proportional to 1,959.67, 2,937.52 and 1,229.75

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Solution

The fourth proportional to 1,959.67, 2,937.52 and 1,229.75 is: 1,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.67 : 2,937.52 = 1,229.75 : x
  2. Step 2: Convert to fraction form
    1,959.67/2,937.52 = 1,229.75/x
  3. Step 3: Cross multiply
    1,959.67x = 2,937.52 × 1,229.75
  4. Step 4: Simplify right side
    1,959.67x = 3,612,415.22
  5. Step 5: Solve for x
    x = 3,612,415.22/1,959.67
  6. Step 6: Final answer
    x = 1,843.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.